Title: charge carrier diffusion
Long Title: IUPAC Gold Book - charge carrier diffusion
DOI: 10.1351/goldbook.08777
Status: current

Definition
Purely random, thermally induced motion of charge carriers.

Note
According to the type of charge carriers undergoing diffusion, it is subdivided into electron diffusion, hole diffusion, polaron diffusion, soliton diffusion, etc.

Related Terms
- charge carriers: https://goldbook.iupac.org//terms/view/08775
- electric drift: https://goldbook.iupac.org//terms/view/08797
- hole: https://goldbook.iupac.org//terms/view/08826

Source
- PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 18 (https://doi.org/10.1515/pac-2020-0501)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08777/html
- json: https://goldbook.iupac.org/terms/view/08777/json
- xml: https://goldbook.iupac.org/terms/view/08777/xml

Citation: Citation: 'charge carrier diffusion' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08777
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-07-13T04:00:05+00:00